There are numerous approaches that can be used during an environmental investigation to evaluate subsurface conditions. These can vary based on the media requiring investigation and the ultimate ...

Nitrogen dioxide (NO 2), a criteria air pollutant as defined by the US Clean Air Act Footnote 1 has been sampled in ambient and indoor air for both compliance purposes and exposure characterizations ...

RJ Lee Group is involved in the commercialization of an innovative passive particulate sampler developed at the University of North Carolina (UNC). The UNC passive aerosol sampler is a cost-effective ...

Scientists are working to find ways to monitor ammonia - an increasing species in the atmosphere closely linked to water eutrophication, soil acidity, and biodiversity loss. But measuring ammonia is ...